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Copper-Nickel-Silicon Strip

C7025 is a precipitate reinforced alloy with high strength and medium conductivity, good formability and stress relaxation resistance. It is mainly used in various kinds of consumer electronic connectors, automotive connectors and high-speed connectors. Buy copper strip at Jintian group, an established copper strip supplier, we are pleased to await your inquiry for copper-nickel-silicon strip price.

Products

Certifications

Copper-Nickel-Silicon Strip Advantages

Cop-ni-si alloy has good resistance to high temperature softening and thermal stress relaxation, which can improve the reliability of devices at high temperature
Copper-nickel-silicon alloy has good surface quality and uniform precipitation phase dispersion, which can improve the electroplating quality of products in the subsequent process.
Copper-nickel-silicon alloy has good bending performance, which can meet the requirements of subsequent stamping.

Application Fields

consumer-electronics-ddr
consumer-electronics-type-c-cable-end
semiconductor-lead-frame
automotive-terminal

Copper-Nickel-Silicon Strip Performance Parameter

Chemical Composition of C7025

The main elements	Cu	Ni	Si	Mg
Content / %	Rem.	2.2-4.2	0.25-1.2	0.05-1.3

Physical Properties of C7025

The density of	8.8	g/cm³
Conductivity @ 20 ℃	P 42	%IACS
Thermal conductivity @ 20 ℃	190	W/(m • K)
Specific heat capacity	0.39	J/g • K)
Poisson's ratio	0.33	-
Modulus of elasticity	130	GPA
Surface roughness	17.6	um

Mechanical Properties of C7025

state	Hardness/HV	Tensile strength /MPa	Yield strength /MPa	Elongation/A50%
TM00	180-200.	580-650.	P 500	11 or higher
TM02	190-220.	650-730.	P 580	7 or higher
TM03	210-240.	670-800.	P 645	5 or more
TM04	230-250.	740-840.	P 680	3 or higher

Bending Performance of C7025

state	90 ° R/T
state	Good Way	Bad Way
TM00	0	0
TM02	1	1
TM03	1.5	1.5
TM04	2	2

Production Process

01

Raw materials

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02

Horizontal continuous casting

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03

Four-sided milling

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04

Rough rolling mill

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05

Thick Shear

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06

Uniform hood annealing

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07

Finishing mill

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08

Pickling

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09

Uniform hood annealing

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Minor finishing mill

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11

German OTTO air cushion furnace

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12

Stretching and straightening machine

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13

Shear, Striping

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14

Finished product packaging

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Three-dimensional warehouse

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16

Delivery and delivery

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Copper Strip & Roll FAQs

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What is copper strip?
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Copper strip is a metal component, mainly used in the production of
electrical components, lamp caps, battery caps, buttons, seals, connectors, and is mainly used as electrical, thermal, and corrosion-resistant equipment. Such as electrical components, switches, gaskets, gaskets, electrical vacuum devices, radiators, conductive base materials and automotive water tanks, heat sinks, cylinder fins and other parts.
Friends who want to buy copper strip & roll, contact Jintian group.
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What are copper strip products used for?
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Copper strip has four main types: pure copper strip, brass strip, bronze strip and nickel silver strip. Pure copper strip is used in manufacture of automobile water tank tubes, heat sinks, electronic parts, semiconductor, automotive and electrical fields, etc.; Roll of Brass strip is widely used in electronic components, switch sockets, building etchings, windshileds, fasteners, nameplates, lables, condenser and heat exchanger, hardware products and clothing, dials, lipstick cases, etc.; Tin phosphor bronze strip is widely used in high-tech electronic field such as computer CPU sockets, car terminals, mobile phone buttons, electronic connectors, etc.; Nickel silver strip is widely used in manufacture of structural parts, elastic components, precision instruments, communication industry, liquid crystal oscillator component shells, etc.